How do I clear my web browser's cache, cookies, and history?


  • If you don't see instructions below for your specific version or browser, search your browser's Help menu for "clear cache". If you're unsure what browser version you're using, from the Help menu, select About [browser name]. In Internet Explorer and Firefox, if you don't see the menu bar, press 'Alt'.
  • When troubleshooting issues with any web site, after clearing your browser's cache and cookies, exit your browser completely before attempting to access the site again. In Windows, close all your browser windows; in Mac OS X, quit (Command-q) your browser.


About cache, cookies, and history

Each time you access a file through your web browser, the browser "caches" (stores) it. By doing this, the browser doesn't have to newly retrieve files (including any images) from the remote web site each time you click 'Back' or 'Forward'. You should periodically clear the cache to allow your browser to function more efficiently.

A "cookie" is a file created by a web browser, at the request of a web site, that is then stored on a computer. These files typically store user-specific information such as selections in a form, shopping cart contents, or authentication data. Browsers will normally clear cookies that reach a certain age, but clearing them manually may solve problems with web sites or your browser.

A browser's "history" is a log of sites that you visit. When you use a browser's 'Back' button, you are moving back one entry in the history log. Browsers will normally clear the history at regular intervals, but you may want to clear it manually for privacy.



  1. Start your browser.
  2. Tap Menu, and then tap More.
  3. Select Settings.
  4. Under 'Privacy Settings', select 'Clear cache', 'Clear history', or 'Clear all cookie data' as appropriate, and then tap 'OK' to accept (or Cancel to cancel) the deletion.



  1. In the browser bar, enter: chrome://settings/clearBrowserData
  2. Select the items you want to clear (e.g., Clear browsing history, Clear download history, Empty the cache, Delete cookies and other site and plug-in data).

    From the Obliterate the following items from: drop-down menu, you can choose the period of time for which you want to clear cached information. To clear your entire cache, select the beginning of time.

  3. Click Clear browsing data.



  1. Click on the menu and choose'Preferences'
    If the menu bar is hidden, press Alt to make it visible.
  2. Select the 'Advanced' panel
  3. Click on the 'Network' tab
  4. In the Cached Web Content selection, click 'clear now'
  5. Close the Preferences window


Internet Explorer 8 and higher

  1. From the Tools or Safety menu, select 'Delete browsing history'
    If the menu bar is hidden, press Alt to make it visible.
  2. Deselect 'Preserve Favorites website data', and select:
    • Temporary Internet files or Temporary Internet files and website files
    • Cookies or Cookies and website data
    • History
  3. Click 'Delete'.


Internet Explorer 7

  1. From the Tools menu in the upper right, select Delete Browsing History
  2. To delete your cache, click 'Delete files'
    To delete your cookies, click 'Delete cookies'
    To delete your history, click 'Delete history'
  3. Click 'Close', and then click 'OK' to exit.


Mobile Safari for iOS (iPhone, iPod touch, iPad)

  1. To clear cache and cookies:
    1. From the home screen, tap Settings, and then tap Safari.
    2. At the bottom of Safari's settings screen, tap 'Clear cookies and data', or 'Clear Cookies and Clear Cache'. Confirm when prompted.
  2. To clear history:
    1. From the home screen, tap Safari.
    2. At the bottom of the screen, tap the Bookmarks icon.
    3. In the lower left, tap 'Clear'.
    4. Tap 'Clear History'.



  1. From the Opera menu, select Settings, and then 'Delete Private Data'
  2. In the dialog box that opens, select the items you want to clear, and then click 'Delete'.



  1. From the Safari menu, select Reset Safari
  2. From the menu, select the items you want to reset, and then click 'Reset'.
    As of Safari 5.1, 'Remove all website data' covers both cookies and cache.


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